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WILLIAM M. SLOANE, OF BUFFALO, NEW YORK, ASSIGNOR TO HIM- SELF ANDALONZO C. RAND, OF NEW YORK CITY.

Letters Patent No. 87,210, dated Februa/ry 23, 1869.

APPARATUS FOR GENERATIN G- GAS FROM PETROLEUM The Schedule referred toin these Letters Patent and making part of the uma.

*Wo- I To all whom it may concern:

Be it'known that I, WILLIAM M. SLOANE, of Buffalo, in the county ofErie, and State of New York, have invented a new and improved Apparatusfor Genera-ting Gas from Petroleum or other Oil; and I do hereby declarethat the following isa full and exact description thereof, referencebeing had to the accompanying drawing, and to the letters of referencemarked thereon.

My invention consists, in part, in the manner of constructing theretorts, and in the application theretd of a receptacle for the tarproduced in the distillation; -and also, in the employment of a box andscreens for arresting any xed carbon, or other solid impurities,

that pass the retorts with the gas.

It further consists in the application of check-valves to the pipesleading to and from the retorts, to prevent the. return of oil or gasthrough them, and in the arrangement of the condenser above the-retorts,and in connecting with the condenser-coil a drip-pipe, -Whichcommunicates with the supply-cistern, and in the use of anautomatic-feed arrangement, all as hereinafter set forth.

Figure 1 is a sectional elevation of my improved apparatus.

Figure 2 is a plan of the same.-

Figure 3 is my automatic-feed arrangement, hereinafter described, showndetached.

Like letters of reference indicate corresponding parts in all thefigures.

A is the reservoir for supplying the retorts with oil.

B,'a pipe for replenishing the reservoir.

C, a'pipe communicating withthe retorts, and which has interposed, inthe breakvshown in the drawing, the automatic-feed cock and stop-valve,shown in iig. 3. It has also a check-Valve ,.a, tted to it, which allowsof the iiow ofthe oil from the reservoir, but will not permit its returnthereto.

D D D are three series of retorts,each series being cast in one piece,and having a flange, b, cast all round, to admit of their being tted oneupon another, thereby forming also the furnace and hues for the wholeapparatus. v

Each .retort communicates with the next, by the branches c c, in themanner'shown in iig. 2, and each series has a movable plate, d,extending overthe mouths of all the retorts in that series, for thepurpose of cleaning them out, When-fouled with coke, or any' impuritiesdeposited from thel petroleum or other oil.

A pipe, e, communicates from the top series of retorts to the receptaclef, which is for the purpose of catching any tar which may be formed inthe retorts. The series of retorts to which the pipe e is attached isslightly inclined from the horizontal, the lowest point being at itsconnection with the pipe. The tar, consequently, gravitates to thispoint, and is conveyed away by the pipe c.

from the retorts with the gas, from entering the condenser by the pipej.

A tap is fitted to the bottom of the box to draw o anyoil depositedtherein from the retorts.

F is the condenser, which is formed of a coil of pipe placed in the boxk, lcontinually supplied with cold water, which surrounds the coil.

The bottom convolution of the coil communicates, by the pipe l, with thereservoir A, so that any oil which has been simply vaporized in itspassage through the retorts, without assuming the gaseous state, iscondensed by the cold water, and returned to the reservoir, to be againpassed through the retorts.

G is a check-valve, fitted to the pipe leading from the condenser to thegasometer, to prevent the return of any gas from the latter, after ithas once passed the valve.

The action of the automatic feed before referred to is as follows:

The feed-cock mis connected with and operated upon by a weighted lever,n, which is connected by a cord, o, passing over pulleys, with a largerweight suspended over the gasometer.

When the gasometer is charged with gas, and has .risen to its fullheight, it comes in contact with and raises the Weight suspended overit, at the same time depressing the weighted lever aand closingthevvalve, thus cutting off the supply of oil to the retorts.

The mode of operation of the apparatus is as follows Oil being suppliedto the cistern A, is conveyed, by the pipeA C, to the retorts, enteringthem by the top series, when, after traversing the whole of them,l itpasses .off in the state of gas, by the pipe h, to the box E, the objectof which, as before described, is to cleanse it of any impuritiesbrought over in the gas mechanically.

It is conducted thence by the pipe j to the condenser, which ittraverses, and then passes off to the gasometer, through the valve G.

Any oil which passes the retorts in the form of vapor simply, iscondensed by the cold water surrounding the condenser,`and returned tothe reservoir by the pipe l, as before described.

I do not claim the use of two or more retorts, connected together inpairs, so that the rst shall volatili` ize the'oil or oily substance,and the second shall complete the conversion thereof into a fixed gas,suitable for villurninati'ng-purposes, as in the Letters Patent grantedto Charles Deavs, dated June 25, 1867, and reissued, July 21, 1868.

i What I claim as my invention, and desire to secure by Letters Patent,is-

1. Two or more series of retorts, when each series is cast together inone piece, and connected to the other series by the flanges b b castthereon, substantially as and for the purpose described.

2. The receptacle f and pipe e, connected with the retcrts, in themanner and for the purpose substantially as described.

3. The employment of the discharge-pipe l, at the bottom of thecondenser-coil, in combinatio11-with the reservoir A, for the purposedescribed.

4. llhe box E, tted with the gauze divisions it', for the purpose ofarresting any xed carbon, ori other impurity of alike nat-ure carriedover from the retorts with the gas, as described.

' 5. 'lhe check-valves a and G, applied in the manner and for thepurposes described and set forth.

6. Placing the condenser F at such an elevation above the retort as thatthe condensed oil or other liquid shall return to theretort,'substantially as set orth. 4

In Witness whereof, I have hereunto signed my name in the presence oftwo subscribing witnesses.

WM. M. SLOANE.

Witnesses:

W. J. NICHOLS, B. W. PRossER.

